mus ws: Consistently use mojom::Cursor instead of int32_t.

services/ui/ws/server_window.cc

Index: services/ui/ws/server_window.cc
diff --git a/services/ui/ws/server_window.cc b/services/ui/ws/server_window.cc
index d03a23bf41813d46f0c5dd773063d3ebf17fbf59..83840220037ea435c5434916549a89570f9c82b2 100644
--- a/services/ui/ws/server_window.cc
+++ b/services/ui/ws/server_window.cc
@@ -288,7 +288,7 @@ void ServerWindow::SetPredefinedCursor(ui::mojom::Cursor value) {
   cursor_id_ = value;
   FOR_EACH_OBSERVER(
       ServerWindowObserver, observers_,
-      OnWindowPredefinedCursorChanged(this, static_cast<int32_t>(value)));
+      OnWindowPredefinedCursorChanged(this, value));
 }
 
 void ServerWindow::SetNonClientCursor(ui::mojom::Cursor value) {
@@ -297,7 +297,7 @@ void ServerWindow::SetNonClientCursor(ui::mojom::Cursor value) {
   non_client_cursor_id_ = value;
   FOR_EACH_OBSERVER(
       ServerWindowObserver, observers_,
-      OnWindowNonClientCursorChanged(this, static_cast<int32_t>(value)));
+      OnWindowNonClientCursorChanged(this, value));
 }
 
 void ServerWindow::SetTransform(const gfx::Transform& transform) {